nova/nova/tests/functional/regressions/test_bug_1886418.py

83 lines
3.1 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from nova.tests.functional import integrated_helpers
class TestServices(integrated_helpers._IntegratedTestBase):
api_major_version = 'v2.1'
microversion = 'latest'
def setUp(self):
super(TestServices, self).setUp()
self.compute_rp_uuid = self.admin_api.api_get(
'os-hypervisors?hypervisor_hostname_pattern=fake-mini'
).body['hypervisors'][0]['id']
self.compute_service_id = self.admin_api.get_services(
host='compute', binary='nova-compute')[0]['id']
def _get_traits_on_compute(self):
return self.placement.get(
'/resource_providers/%s/traits' % self.compute_rp_uuid,
version='1.6'
).body['traits']
def _disable_compute(self):
self.admin_api.put_service(
self.compute_service_id, {'status': 'disabled'})
def _enable_compute(self):
self.admin_api.put_service(
self.compute_service_id, {'status': 'enabled'})
def _has_disabled_trait(self):
return "COMPUTE_STATUS_DISABLED" in self._get_traits_on_compute()
def test_compute_disable_after_server_create(self):
# Check that COMPUTE_STATUS_DISABLED is not on the compute
self.assertFalse(self._has_disabled_trait())
self._disable_compute()
# Check that COMPUTE_STATUS_DISABLED is now on the compute
self.assertTrue(self._has_disabled_trait())
self._enable_compute()
# Check that COMPUTE_STATUS_DISABLED is not on the compute
self.assertFalse(self._has_disabled_trait())
# Create a server.
self._create_server(networks=[])
self._disable_compute()
# Check that COMPUTE_STATUS_DISABLED is now on the compute.
self.assertTrue(self._has_disabled_trait())
# This would be the expected behavior
#
# self.assertTrue(self._has_disabled_trait())
#
# Alternatively the test could wait for the periodic to run or trigger
# it manually.
# This passes now but not because enabling works but because the
# above fault caused that COMPUTE_STATUS_DISABLED is not on the compute
# RP in the first place.
self._enable_compute()
# Check that COMPUTE_STATUS_DISABLED is removed from the compute
self.assertFalse(self._has_disabled_trait())
self.assertNotIn(
'An error occurred while updating COMPUTE_STATUS_DISABLED trait '
'on compute node resource provider',
self.stdlog.logger.output,
"This is probably bug 1886418.")